diff --git a/wren-core-py/Cargo.lock b/wren-core-py/Cargo.lock
index 5fc11d3a7..962c2c12f 100644
--- a/wren-core-py/Cargo.lock
+++ b/wren-core-py/Cargo.lock
@@ -2185,7 +2185,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3015cf985888fe66cfb63ce0e321c603706cd541b7aec7ddd35c281390af45d8"
 dependencies = [
  "once_cell",
- "python3-dll-a",
  "target-lexicon",
 ]
 
@@ -2224,15 +2223,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "python3-dll-a"
-version = "0.2.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd0b78171a90d808b319acfad166c4790d9e9759bbc14ac8273fe133673dd41b"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.37"
diff --git a/wren-core-py/Cargo.toml b/wren-core-py/Cargo.toml
index 3abe94dee..1e77fc2fa 100644
--- a/wren-core-py/Cargo.toml
+++ b/wren-core-py/Cargo.toml
@@ -9,10 +9,7 @@ name = "wren_core_py"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.23.2", features = [
-  "extension-module",
-  "generate-import-lib",
-] }
+pyo3 = { version = "0.23.2", features = ["extension-module"] }
 wren-core = { path = "../wren-core/core" }
 base64 = "0.22.1"
 serde_json = "1.0.117"
@@ -25,3 +22,7 @@ tokio = "1.40.0"
 
 [build-dependencies]
 pyo3-build-config = "0.23.2"
+
+[features]
+extension-module = ["pyo3/extension-module"]
+default = ["extension-module"]
diff --git a/wren-core-py/justfile b/wren-core-py/justfile
index d10453b40..509cc05bd 100644
--- a/wren-core-py/justfile
+++ b/wren-core-py/justfile
@@ -5,11 +5,11 @@ install:
     poetry install --no-root
 
 build *args:
-    poetry run maturin build {{args}}
+    poetry run maturin build {{ args }}
 
 develop:
     poetry run maturin develop
 
 test: develop
-    cargo test
+    cargo test --no-default-features
     poetry run pytest
diff --git a/wren-core-py/pyproject.toml b/wren-core-py/pyproject.toml
index 2f097d7f8..c8efa218b 100644
--- a/wren-core-py/pyproject.toml
+++ b/wren-core-py/pyproject.toml
@@ -20,6 +20,7 @@ module-name = "wren_core"
 include = [{ path = "Cargo.lock", format = "sdist" }]
 exclude = ["tests/**", "target/**"]
 locked = true
+features = ["pyo3/extension-module"]
 
 [build-system]
 requires = ["maturin>=1.0,<2.0"]